PSR4/5A-275一拖二供水系統(tǒng)方式工作原理
一拖二供水模式主要由一臺主變頻電機(jī)M1和一臺附屬小泵M2組成,PSR4/5A-275在用水高峰期,利用變頻器本身自帶的PID功能,經(jīng)主變頻電機(jī)M1進(jìn)行恒壓供水,當(dāng)壓力不夠時(shí)通過KA2繼電器動作啟動附屬小泵M2以達(dá)到用水高峰期用戶的需求。當(dāng)用水低峰期時(shí),依然只能變頻啟動主泵M1進(jìn)行變頻供水,PSR4/5A-275比以往的電機(jī)星三角啟??刂朴辛溯^大的節(jié)能空間,但依然沒有真正達(dá)到只變頻啟動附屬小泵更加節(jié)能的目的。
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PSR4/5A-275
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